. ♪ i believe in the power that comes ♪ >> reporter: with a voice that would leave simon cowell speechless. >> i don't consider myself to be a big deal. i'm just nikki, you know? >> reporter: we spent a day on the town with the 16-year-old and her mom. and, at every turn, she found musical inspiration beyond her years. >> billie holliday is playing. >> reporter: you have an ear for it? >> it's disticket. it's like leal, you hear it once and you know it's her. and her time is so good. nobody has time like that. >> reporter: this ability came early to nikki. she's been singinging since age 11. then, at 12, a music teacher turned her onto jazz. she learned ella fitzgerald's "airmail special" by heart. then vowed the crowd with it at a jazz festival in montreal. now, as she prepared for her last year of high school, she's traveling the globe, hoping to become the latest in a long line 0 canadian exports who have all conquered the music world. i heard you scat, too. >> i do that. >> reporter: can you teach me? >> i actually learned from listening to horn solos. you have a horn solo, it's the sa